diff --git a/pkgs/games/sm64ex/coop.nix b/pkgs/games/sm64ex/coop.nix
new file mode 100644
index 000000000000..9e34e184adb7
--- /dev/null
+++ b/pkgs/games/sm64ex/coop.nix
@@ -0,0 +1,41 @@
+{ callPackage
+, fetchFromGitHub
+, autoPatchelfHook
+, zlib
+, stdenvNoCC
+}:
+
+callPackage ./generic.nix {
+  pname = "sm64ex-coop";
+  version = "0.pre+date=2022-08-05";
+
+  src = fetchFromGitHub {
+    owner = "djoslin0";
+    repo = "sm64ex-coop";
+    rev = "68634493de4cdd9db263e0f4f0b9b6772a60d30a";
+    sha256 = "sha256-3Ve93WGyBd8SAA0TBrpIrhj+ernjn1q7qXSi9mp36cQ=";
+  };
+
+  extraNativeBuildInputs = [
+    autoPatchelfHook
+  ];
+
+  extraBuildInputs = [
+    zlib
+  ];
+
+  postInstall =
+    let
+      sharedLib = stdenvNoCC.hostPlatform.extensions.sharedLibrary;
+    in
+    ''
+      mkdir -p $out/lib
+      cp $src/lib/bass/libbass{,_fx}${sharedLib} $out/lib
+      cp $src/lib/discordsdk/libdiscord_game_sdk${sharedLib} $out/lib
+    '';
+
+  extraMeta = {
+    homepage = "https://github.com/djoslin0/sm64ex-coop";
+    description = "Super Mario 64 online co-op mod, forked from sm64ex";
+  };
+}
diff --git a/pkgs/games/sm64ex/default.nix b/pkgs/games/sm64ex/default.nix
index a6bf7202adcf..17fcfdd131ac 100644
--- a/pkgs/games/sm64ex/default.nix
+++ b/pkgs/games/sm64ex/default.nix
@@ -1,55 +1,9 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, callPackage
-, autoPatchelfHook
+{ callPackage
 , branch
 }:
 
 {
-  sm64ex = callPackage ./generic.nix {
-    pname = "sm64ex";
-    version = "0.pre+date=2021-11-30";
+  sm64ex = callPackage ./sm64ex.nix { };
 
-    src = fetchFromGitHub {
-      owner = "sm64pc";
-      repo = "sm64ex";
-      rev = "db9a6345baa5acb41f9d77c480510442cab26025";
-      sha256 = "sha256-q7JWDvNeNrDpcKVtIGqB1k7I0FveYwrfqu7ZZK7T8F8=";
-    };
-
-    extraMeta = {
-      homepage = "https://github.com/sm64pc/sm64ex";
-      description = "Super Mario 64 port based off of decompilation";
-    };
-  };
-
-  sm64ex-coop = callPackage ./generic.nix {
-    pname = "sm64ex-coop";
-    version = "0.pre+date=2022-05-14";
-
-    src = fetchFromGitHub {
-      owner = "djoslin0";
-      repo = "sm64ex-coop";
-      rev = "8200b175607fe2939f067d496627c202a15fe24c";
-      sha256 = "sha256-c1ZmMBtvYYcaJ/WxkZBVvNGVCeSXfm8NKe/BiAIJtks=";
-    };
-
-    extraNativeBuildInputs = [
-      autoPatchelfHook
-    ];
-
-    postInstall = let
-      sharedLib = stdenv.hostPlatform.extensions.sharedLibrary;
-    in ''
-      mkdir -p $out/lib
-      cp $src/lib/bass/libbass{,_fx}${sharedLib} $out/lib
-      cp $src/lib/discordsdk/libdiscord_game_sdk${sharedLib} $out/lib
-    '';
-
-    extraMeta = {
-      homepage = "https://github.com/djoslin0/sm64ex-coop";
-      description = "Super Mario 64 online co-op mod, forked from sm64ex";
-    };
-  };
+  sm64ex-coop = callPackage ./coop.nix { };
 }.${branch}
diff --git a/pkgs/games/sm64ex/generic.nix b/pkgs/games/sm64ex/generic.nix
index ab75ac70b9c5..95ba3be4a569 100644
--- a/pkgs/games/sm64ex/generic.nix
+++ b/pkgs/games/sm64ex/generic.nix
@@ -2,7 +2,8 @@
 , version
 , src
 , extraNativeBuildInputs ? [ ]
-, extraMeta ? {}
+, extraBuildInputs ? [ ]
+, extraMeta ? { }
 , compileFlags ? [ ]
 , postInstall ? ""
 , region ? "us"
@@ -44,7 +45,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     audiofile
     SDL2
-  ];
+  ] ++ extraBuildInputs;
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/games/sm64ex/sm64ex.nix b/pkgs/games/sm64ex/sm64ex.nix
new file mode 100644
index 000000000000..66c84dd0b13c
--- /dev/null
+++ b/pkgs/games/sm64ex/sm64ex.nix
@@ -0,0 +1,21 @@
+{ callPackage
+, fetchFromGitHub
+}:
+
+callPackage ./generic.nix {
+  pname = "sm64ex";
+  version = "0.pre+date=2021-11-30";
+
+  src = fetchFromGitHub {
+    owner = "sm64pc";
+    repo = "sm64ex";
+    rev = "db9a6345baa5acb41f9d77c480510442cab26025";
+    sha256 = "sha256-q7JWDvNeNrDpcKVtIGqB1k7I0FveYwrfqu7ZZK7T8F8=";
+  };
+
+  extraMeta = {
+    homepage = "https://github.com/sm64pc/sm64ex";
+    description = "Super Mario 64 port based off of decompilation";
+  };
+}
+